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STMicroelectronics STP15NM65N — Discrete Semiconductors

STP15NM65N N-Channel MOSFET, 650 V, 12 A, TO-220

MPNSTP15NM65N
Obsolete

STMicroelectronics MDmesh™ II series, N-Channel MOSFET, 650 V drain-source, 12 A continuous drain, 380 mOhm Rds(on) at 10 V, TO-220-3 through-hole package, -55°C to 150°C junction temperature.

Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

STP15NM65N specifications
ParameterValue
SeriesMDmesh™ II
FET typeN-Channel
MountingThrough Hole
Drain to source voltage650 V
Drive voltage (Max rds on, min rds on)10V
Current - continuous drain (Id) @ 25°C12A (Tc)
Power dissipation125W (Tc)
Operating temperature-55°C~150°C(TJ)
PackageTube
Vgs±25V
TechnologyMOSFET (Metal Oxide)
CaseTO-220-3
Vgs(th) (Max) @ id4V @ 250µA
Rds on (Max) @ id, vgs380mOhm @ 6A, 10V
Gate charge (Qg) (Max) @ vgs33.3 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds983 pF @ 50 V

Product details

380 mOhm Rds(on) and 33.3 nC gate charge — switching loss anchor

The 380 mOhm maximum on-resistance, specified at 6 A and 10 V gate voltage, sets the conduction loss baseline for a 12 A design. Paired with a typical gate charge of 33.3 nC at 10 V, the STP15NM65N suits hard-switched topologies such as flyback and PFC stages where the switching frequency stays moderate — the gate-drive energy per cycle is low enough to keep the driver stage simple.

Frequently asked questions

What is the replacement for STP15NM65N?

A functionally similar N-channel MOSFET in the same voltage and current class — 650 V, 12 A range — should be evaluated for pin-compatibility and gate-drive requirements. The TO-220 footprint is common, but parametric differences in Rds(on), gate charge, and switching speed must be verified against the application.

What is the Rds(on) of STP15NM65N?

The maximum Rds(on) is 380 mOhm at a drain current of 6 A with a 10 V gate-to-source voltage.